Index: platform/gsutil/third_party/google-auth-library-python/google/__init__.py
--- platform/gsutil/third_party/google-auth-library-python/google/__init__.py.orig
+++ platform/gsutil/third_party/google-auth-library-python/google/__init__.py
@@ -0,0 +1,4 @@
+# fix import when py3-protobuf is installed (conflict with site-packages/google)
+# File "/usr/local/google-cloud-sdk/platform/gsutil/gslib/__main__.py", line 39, in <module>
+#   from google.auth import exceptions as google_auth_exceptions
+# ModuleNotFoundError: No module named 'google.auth'
